3.2z+4.7z-5=0.4

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Solution for 3.2z+4.7z-5=0.4 equation:


Simplifying
3.2z + 4.7z + -5 = 0.4

Reorder the terms:
-5 + 3.2z + 4.7z = 0.4

Combine like terms: 3.2z + 4.7z = 7.9z
-5 + 7.9z = 0.4

Solving
-5 + 7.9z = 0.4

Solving for variable 'z'.

Move all terms containing z to the left, all other terms to the right.

Add '5' to each side of the equation.
-5 + 5 + 7.9z = 0.4 + 5

Combine like terms: -5 + 5 = 0
0 + 7.9z = 0.4 + 5
7.9z = 0.4 + 5

Combine like terms: 0.4 + 5 = 5.4
7.9z = 5.4

Divide each side by '7.9'.
z = 0.6835443038

Simplifying
z = 0.6835443038

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